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Carryforward [Line Items] Tax Credit Carryforward [Line Items] Volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Schedule of RSU Activities Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] Premium on conversion price in relation to closing price (percentage) Debt Instrument, Premium on Conversion Price in relation to Closing Price Debt Instrument, Premium on Conversion Price in relation to Closing Price Operating lease, termination notice, period (in days) Lessee, Operating Lease, Option to Terminate, Notice Lessee, Operating Lease, Option to Terminate, Notice Finite-lived intangibles acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles U.S. federal Deferred Federal Income Tax Expense (Benefit) Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Thereafter Finite-Lived Intangible Asset, Expected Amortization, after Year Five Measure: Measure [Axis] Stockholders' Equity Capital Structure [Line Items] Stockholders' Equity Capital Structure [Line Items] Stockholders' Equity Capital Structure Issuance of common stock upon vesting of restricted stock units Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Gross increases — current year tax positions Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Table] Fair market value of common stock (in usd per share) Share Price Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Limitation on use of net operating loss, cumulative ownership change, more than Operating Loss Carryforward, Limitations on Use, Change in Ownership Operating Loss Carryforward, Limitations on Use, Change in 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relationships Customer-Related Intangible Assets [Member] Geographical [Domain] Geographical [Domain] Schedule of Stock-Based Compensation Expense Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Restatement Determination Date: Restatement Determination Date [Axis] Title of 12(b) Security Title of 12(b) Security Concentration Risk Type [Axis] Concentration Risk Type [Axis] Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration] Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration] Document Financial Statement Error Correction Document Financial Statement Error Correction [Flag] Income Tax Authority, Name [Domain] Income Tax Authority, Name [Domain] Other Deferred Tax Assets, Other Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Number of reputable cash and cash equivalents is held Number Of Financial Institutions Where Cash is Held Number 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expense Sales Commissions and Fees Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Award expiration period (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period Trademarks Trademarks [Member] Tax Credit Carryforward [Table] Tax Credit Carryforward [Table] Equipment purchased and unpaid at period-end Capital Expenditures Incurred but Not yet Paid Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Property and Equipment, Net Property, Plant and Equipment, Policy [Policy Text Block] Amortizable intangibles Deferred Tax Liabilities, Intangible Assets Total current liabilities Liabilities, Current Concentration Risks Concentration Risk, Credit Risk, Policy [Policy Text Block] 2025 Finite-Lived Intangible Asset, Expected Amortization, Year One RSUs granted (in shares) Equity instruments granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity 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Arrangement by Share-based Payment Award, Number of Performance Periods Share-based Compensation Arrangement by Share-based Payment Award, Number of Performance Periods Stock-based compensation expense Share-Based Payment Arrangement, Expense Issuance of common stock upon conversion of convertible senior notes Stock Issued During Period, Value, Conversion of Convertible Securities Other Commitments [Table] Other Commitments [Table] Options granted, weighted-average exercise price (in USD per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Loss Contingencies [Table] Loss Contingencies [Table] RSUs forfeited or cancelled (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Business Acquisition [Axis] Business Acquisition [Axis] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Foreign Tax Jurisdiction Foreign Tax Jurisdiction [Member] Finance Leases Finance Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Revenue Revenue from Contract with Customer [Text Block] Document Fiscal Year Focus Document Fiscal Year Focus Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Convertible Senior Notes, Due 2023 Convertible Senior Notes, Due 2023 [Member] Convertible Senior Notes, Due 2023 [Member] International Income (Loss) from Continuing Operations before Income Taxes, Foreign 2029 Finite-Lived Intangible Asset, Expected Amortization, Year Five Document Period End Date Document Period End Date Sale of Stock [Axis] Sale of Stock [Axis] Finance lease liabilities Finance Lease, Liability, Current Impairment charge of an equity investment Equity Securities without Readily Determinable Fair Value, Impairment Loss, Annual Amount Outstanding operating lease obligations Total future minimum lease payments Lessee, Operating Lease, Liability, to be Paid Outstanding, beginning balance (in shares) Outstanding, ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Insider Trading Arrangements [Line Items] Financial Statement Components Supplemental Balance Sheet Disclosures [Text Block] Purchase Commitment - Cloud Services and Software and Maintenance Agreement Purchase Commitment - Cloud Services And Software And Maintenance Agreement [Member] Purchase Commitment - Cloud Services And Software And Maintenance Agreement 2027 Lessee, Operating Lease, Liability, to be Paid, Year Three Equity Instrument, Condition [Axis] Equity Instrument, Condition [Axis] Equity Instrument, Condition Defined benefit liability Defined Benefit Plan, Accumulated Benefit Obligation Contract revenue recognized Contract with Customer, Liability, Revenue Recognized Prepaid expenses and other current assets Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Document Transition Report Document Transition Report Total future minimum payment Purchase Obligation Current finance lease liability Finance Lease, Liability Acquired, Current Finance Lease, Liability Acquired, Current Schedule of Unrecognized Tax Benefits Rollforward Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Customer [Domain] Customer [Domain] Entity Current Reporting Status Entity Current Reporting Status Accumulated Deficit Retained Earnings [Member] Schedule of Long-Term Liabilities Other Noncurrent Liabilities [Table Text Block] Amortization of issuance costs Amortization of Debt Issuance Costs Income Tax Authority, 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